#644BCB#644BCB

#644BCB is a mid, vivid violet. Relative luminance 0.121; OKLCH L 51.2% C 0.189 H 286.7°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#644BCB
RGB	rgb(100, 75, 203)
HSL	hsl(252, 55%, 55%)
HSV	hsv(252, 63%, 80%)
CMYK	cmyk(50.7%, 63.1%, 0%, 20.4%)
CIE-LAB	lab(41.30, 43.04, -63.18)
CIE-LCH	lch(41.30, 76.45, 304.26°)
OKLab	oklab(51.22% 0.0542 -0.1811)
OKLCH	oklch(51.22% 0.189 286.7)
XYZ	xyz(18.5479, 12.0524, 57.8374)
Luminance	0.1205 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644BCB #B2CB4B

analogous

#4B72CB #644BCB #A44BCB

triadic

#644BCB #CB644B #4BCB64

tetradic

#644BCB #CB4B72 #B2CB4B #4BCBA4

square

#644BCB #CB4B72 #B2CB4B #4BCBA4

split-complementary

#644BCB #CBA44B #72CB4B

monochromatic

#342379 #4831A8 #644BCB #8D7AD9 #B6AAE6

Accessibility & contrast

On white

6.16

#644BCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#644BCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BCB

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644BCB	#FFFFFF	#000000	##FFFFFF
##644BCB	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065CF

Deuteranopia (green-blind)

#005EC8

Tritanopia (blue-blind)

#3E6A84

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #644bcb;
/* rgb */ color: rgb(100, 75, 203);
/* oklch */ color: oklch(51.2% 0.189 286.7);

Tailwind

colors: {
  custom: {
    50: '#997fdc',
    500: '#644bcb',
    950: '#000000',
  },
}

SCSS

$custom: #644bcb;
$custom-light: #997fdc;
$custom-dark: #000000;

JSON

{
  "hex": "#644bcb",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 203
  },
  "hsl": {
    "h": 251.719,
    "s": 55.172,
    "l": 54.51
  },
  "oklch": {
    "l": 0.51221,
    "c": 0.18904,
    "h": 286.7
  },
  "luminance": 0.12053
}

Semantic roles & 50–950 ramp

primary

#644BCB

secondary

#C9D49E

accent

#DF49C1

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0F0A15

muted

#7E7C83

Preview Lab

Preview with #644BCB

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →